linux-kernel - [PATCH v15 1/5] dt-bindings: clock: sophgo: add pll clocks for SG2042

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Message-Id: <6916e570d25a18be28ff47a0c038e8272de89542.1714101547.git.unicorn_wang@outlook.com>
Date: Fri, 26 Apr 2024 11:33:10 +0800
From: Chen Wang <unicornxw@...il.com>
To: aou@...s.berkeley.edu,
	chao.wei@...hgo.com,
	conor@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	mturquette@...libre.com,
	palmer@...belt.com,
	paul.walmsley@...ive.com,
	richardcochran@...il.com,
	robh+dt@...nel.org,
	sboyd@...nel.org,
	devicetree@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	haijiao.liu@...hgo.com,
	xiaoguang.xing@...hgo.com,
	guoren@...nel.org,
	jszhang@...nel.org,
	inochiama@...look.com,
	samuel.holland@...ive.com
Cc: Chen Wang <unicorn_wang@...look.com>,
	Rob Herring <robh@...nel.org>
Subject: [PATCH v15 1/5] dt-bindings: clock: sophgo: add pll clocks for SG2042

From: Chen Wang <unicorn_wang@...look.com>

Add bindings for the pll clocks for Sophgo SG2042.

Signed-off-by: Chen Wang <unicorn_wang@...look.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Guo Ren <guoren@...nel.org>
---
 .../bindings/clock/sophgo,sg2042-pll.yaml     | 53 +++++++++++++++++++
 include/dt-bindings/clock/sophgo,sg2042-pll.h | 14 +++++
 2 files changed, 67 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/sophgo,sg2042-pll.yaml
 create mode 100644 include/dt-bindings/clock/sophgo,sg2042-pll.h

diff --git a/Documentation/devicetree/bindings/clock/sophgo,sg2042-pll.yaml b/Documentation/devicetree/bindings/clock/sophgo,sg2042-pll.yaml
new file mode 100644
index 000000000000..1a417a627dd2
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sophgo,sg2042-pll.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/sophgo,sg2042-pll.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SG2042 PLL Clock Generator
+
+maintainers:
+  - Chen Wang <unicorn_wang@...look.com>
+
+properties:
+  compatible:
+    const: sophgo,sg2042-pll
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Oscillator(Clock Generation IC) for Main/Fixed PLL (25 MHz)
+      - description: Oscillator(Clock Generation IC) for DDR PLL 0 (25 MHz)
+      - description: Oscillator(Clock Generation IC) for DDR PLL 1 (25 MHz)
+
+  clock-names:
+    items:
+      - const: cgi_main
+      - const: cgi_dpll0
+      - const: cgi_dpll1
+
+  '#clock-cells':
+    const: 1
+    description:
+      See <dt-bindings/clock/sophgo,sg2042-pll.h> for valid indices.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller@...00000 {
+      compatible = "sophgo,sg2042-pll";
+      reg = <0x10000000 0x10000>;
+      clocks = <&cgi_main>, <&cgi_dpll0>, <&cgi_dpll1>;
+      clock-names = "cgi_main", "cgi_dpll0", "cgi_dpll1";
+      #clock-cells = <1>;
+    };
diff --git a/include/dt-bindings/clock/sophgo,sg2042-pll.h b/include/dt-bindings/clock/sophgo,sg2042-pll.h
new file mode 100644
index 000000000000..2d519b3bf51c
--- /dev/null
+++ b/include/dt-bindings/clock/sophgo,sg2042-pll.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright (C) 2023 Sophgo Technology Inc. All rights reserved.
+ */
+
+#ifndef __DT_BINDINGS_SOPHGO_SG2042_PLL_H__
+#define __DT_BINDINGS_SOPHGO_SG2042_PLL_H__
+
+#define MPLL_CLK			0
+#define FPLL_CLK			1
+#define DPLL0_CLK			2
+#define DPLL1_CLK			3
+
+#endif /* __DT_BINDINGS_SOPHGO_SG2042_PLL_H__ */
-- 
2.25.1